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A330647 as a simple table

na(n)
11
22
33
45
56
64
77
89
910
1011
1113
1214
138
1412
1517
1619
1722
1816
1923
2024
2115
2226
2328
2420
2521
2618
2725
2829
2930
3031
3132
3234
3337
3438
3540
3635
3741
3843
3944
4033
4127
4236
4347
4452
4539
4646
4751
4842
4948
5049
5153
5256
5358
5459
5561
5664
5760
5845
5962
6063
6157
6267
6368
6471
6573
6674
6777

[1,2,3,5,6,4,7,9,10,11,13,14,8,12,17,19,22,16,23,
 24,15,26,28,20,21,18,25,29,30,31,32,34,37,38,40,
 35,41,43,44,33,27,36,47,52,39,46,51,42,48,49,53,
 56,58,59,61,64,60,45,62,63,57,67,68,71,73,74,77]